<div class="_top {{topMove&&'focus'}}">
    <div class="box">
        <div class="title">
            {{bus_info.info.title}}
        </div>
        <div class="nav">
            <a href="#default/main">首页</a>
            <a href="#default/tags">商品分类</a>
            <a href="#default/storeinfo">关于我们</a>
            <a href="#default/help">省钱攻略</a>
        </div>
        <div class="cart">
            <div class="icon-cart">购物车: 0</div>
        </div>
    </div>
</div>
<script type="text/vm">
	function(vm) {
		require(['jQuery'], function() {
			$(window).scroll(function() {
				if ($(window).scrollTop() > 100) {
					App.set('topMove', true);
				}else{
					App.set('topMove', false);
				}
			})
		})
	}
</script>